import java.util.Scanner;

public class HomeWork08_03{
    public static void main(String[] args){
        CusService cs = new CusService();
        cs.chooseLang();
    }
}

class CusService{
    
    public void chooseLang(){
        Scanner scan = new Scanner(System.in);
        System.out.print("1. 普通话\n"+
                           "2. for English\n");
        short chs = scan.nextShort();
        
        switch(chs){
        case 1:
            System.out.println("您好!");
            break;
        case 2:
            System.out.println("Hello, welcome to use this system");
        }
    }
}